clear plots before replot()

sohstationviewer/view/main_window.py

@@ -772,6 +772,7 @@ class MainWindow(QtWidgets.QMainWindow, UIMainWindow):
         Plot using data from self.data_object with the current options set
             from GUI
         """
+        self.clear_plots()
         if self.has_problem:
             return
         self.is_plotting_soh = True